Tvären
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Template:Short description Template:Infobox terrestrial impact site Tvären is a circular bay close to Studsvik, Sweden.
Within the bay is an ancient buried impact crater about Script error: No such module "convert". in diameter. It was first identified using reflection seismology. The crater is estimated to be about 455 million years old (Late Ordovician).[1][2]
Asteroid 7771 Tvären is named after the bay.
References
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- ↑ Template:Cite Earth Impact DB
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